Data Analyst | Mid-Senior | Saily

The role

The Data Analyst will turn complex customer and product data into business opportunities. You will analyze user behavior and translate patterns into actionable insights for product and marketing teams.

What you will do

• Define, track, and optimize key metrics and KPIs for product and marketing teams.
• Analyze users and products to find new business opportunities and areas for improvement.
• Develop and maintain automated reports and dashboards.
• Conduct deep-dive analyses on customer cohorts, segmentation strategies, and touchpoints.
• Build, support, and replicate data structures.
• Deliver clear, compelling presentations of data-driven insights to cross-functional stakeholders.
• Support the development and maintenance that enable scalable analysis.

Required qualifications

• 3+ years of experience as a Data Analyst
• Hands-on experience applying machine learning to customer data, such as churn or propensity prediction, model-based segmentation, or LTV forecasting
• Proven experience building and evaluating customer segmentations, both rule-based and model-based
• Experience designing and analysing experiments (A/B tests), including sample size calculation, significance testing, and translating results into clear recommendations
• Solid SQL skills
• Python experience for modelling (pandas, scikit-learn, or similar)
• Strong statistical foundation, including regression, hypothesis testing, and time series analysis
• Experience with data visualisation tools
• Ability to present insights clearly to non-technical stakeholders
• An independent and proactive working style

Nice to have

• Google BigQuery is an advantage
• Looker preferred
• Experience in customer analysis, including lifecycle, retention, cohort, churn, and LTV analysis
• Experience with Google Analytics
• Background in e-commerce, SaaS, telecommunications, or digital marketing
• Experience in a startup or fast-paced product environment

Benefits

• Training, mentorship, and room to grow
• Extra vacation days, sick days, and time off
• Private health insurance in Lithuania and Poland
• Free subscriptions to Calm, Headspace, and Mindletic
• Resilience and mindfulness trainings
• In-house gyms, sport cards, online workouts, and personal guidance
• Company-wide trip abroad
• Gifts for birthdays, weddings, and new family members
• Children’s summer camps and flexibility around the schedule
• Team building and company events
• Access to coffee bar, open gyms, kids’ room, music room, and massage chairs in Vilnius HQ

Before you apply

• 1st interview with a Talent Partner (45 minutes)
• Test task (several hours of work - with 1 week deadline)
• Technical interview (60 min)
• Final interview (45-60 min)
• Applications may be processed using automated tools for evaluation purposes

About the company

Saily is part of nord-security and provides secure mobile data in 200+ countries. The team is behind Lonely Planet’s #1 eSIM.